| Model Number | 3/3.5,4,5,6,8,10,12 inches | Certification | ISO CE |
| Drill Rock hardness | F=6-20 | Warranty | 1 Year |
| Condition | New | After-sales Service | 7X24hours available |
| Type | Rotary Drilling Rig | Color | As request |
| Processing Type | Forging | Button shape | Spherical, Ballistic, Semi-ballistic |
| Place of Origin | Beijing, China (Mainland) | Bit face shape | Flat, concave, convex, drop center |
| Brand Name | JCDRILL | Other shanks | COP,DHD,MISSION, SD |
| Usage | Rock drilling | Type | DTH Hammer |
| Material | Carbide | Machine Type | Drilling Tool |
Introduction
In case of jamming of any driling tool during the boring process, the back hammer will help you save time and money.
The back hammer may be mounted on the drill pipe joint between the borehole gripper and the swivel head, thus, creating a combined effect of effective reverse impact and vibration.
Sturdy and reliable, the back hammer is composed of three components and a plastic housing which acts both as an exhaust emission guider and a muftler. With regards to the maintenance, i's only necessary to keep it clean and the linking section well protected when the back hammer is not working.
1 JCDRILL back hammer
2 saving time and equipment
3 180-225mm diameter
4 API 3 1/2" standard
5 high quality material
6. Competitive price
DTH back hammers are used for dealing with the stuck drill, hit up to solve the stuck drill problem.
Main model: BH140 BH170 BH190 BH240
| DTH Hammer | ||
| Type | Model | Outer Diameter |
| High pressure DTH Hammer | ||
| 3 inch | JD25A | 71mm |
| 3.5 inch | JD35A/M30 | 82mm |
| 4 inch | JD45A/QL40A/M40/SD4 | 99mm |
| 5 inch | JD55A/QL50A/M50/SD5 | 125mm |
| 6 inch | JD65A/QL60A/M60/SD6 | 142mm |
| 8 inch | JD85A/QL80A/M80/SD8 | 180mm |
| 10 inch | HD100A/SD10 | 225mm |
| 12 inch | JD125A/SD12 | 275mm |
| 14 inch | JD140A | - |
| Middel Pressure DTH Hammer | ||
| 2.5 inch | BR1 | 56mm |
| 3 inch | BR2 | 64mm |
| 3.5 inch | BR3 | 82mm |
| Lower Pressure DTH Hammer | ||
| 3 inch | CIR65 | 68mm |
| 3.5 inch | CIR70 | 76mm |
| 4 inch | CIR90 | 99mm |
| 5 inch | CIR110 | 110mm |
| 6 inch | CIR150 | 150mm |
| 8 inch | CIR170 | 170mm |
| Back Hammer | ||
| 6 inch | BH140 | 155mm |
| 8 inch | BH170 | 190mm |
| 10 inch | BH190 | 220mm |
| 12 inch | BH240 | 190mm |
| Back Hammer | |||||
| Products | Pressure | Thread | Total Length(mm) | Diameter | KG |
| LBH140 | 8Bar | API 3 1/2" | 510 | 140 | 31 |
| LBH160 | 8Bar | API 3 1/2" | 540 | 160 | 44 |
| LBH190 | 8Bar | API 4 1/2" | 580 | 190 | 63 |
| LBH240 | 8Bar | API 4 1/2" | 600 | 240 | 85 |
Picture
| Minimum Order Quantity | N/A |
| Price | |
| Packaging Details | Standard Export Delivery Package |
| Delivery Time | 7days |
| Payment Terms | T/T |
| Supply Ability | Based on Detailed Order |
